At one point in the documentary Back Then: The Story of Live Music in Bombay, an interviewee summarises the images—representative of the nightlife of Bombay in the ’90s—unfolding on screen.

Debutante director Anindita Dutta Roy’s documentary spotlights the world of underground live music, and showcases what it implied for both gig-goers and performers to be part of this community, even ...